Saya Kamitani

Kamitani in October 2019.

Kamitani debuted in World Wonder Ring Stardom in a non-wrestling role as part of the Stardom Idols, a dancing and singing group.[3] While the Stardom Idols were short-lived, Kamitani passed Stardom's pro-test on July 10, 2019.[3]

Kamitani made her wrestling debut on August 10, 2019 at Korakuen Hall, where she unsuccessfully challenged Momo Watanabe.[3] On August 18, Kamitani gained her first victory when she teamed with Rina to defeat Queen's Quest (Hina and Leo Onozaki).[5] Kamitani competed in the 2019 Goddesses of Stardom Tag League together with Saya Iida as the 3838 Tag. On the November 4 event of the tournament, the 3838 Tag defeated Oedo Tai (Andras Miyagi and Kagetsu) after Kamitani performed a running Shooting Star Press on Miyagi.[3][6] On December 8, Kamitani won the 2019 Rookie of Stardom Tournament by defeating Saya Iida in the finals.[7]

On February 16, 2020, Kamitani joined Queen's Quest after a loss to Utami Hayashishita.[3] On July 17, Kamitani lost in a three-way match against Saya Iida and Maika for the Future of Stardom Championship.[8] At the 2020 Cinderella Tournament on April 29, Kamitani fell short to Natsuko Tora in the first round.[9] On July 26, Kamitani and Utami Hayashishita won the vacant Goddess of Stardom Championship after defeating Tokyo Cyber Squad (Jungle Kyona and Konami).[4] At Yokohama Cinderella 2020 on October 3, Kamitani and Hayashishita had their first successful title defense when they defeated Donna Del Mondo (Himeka and Maika).[10] Kamitani and Hayashishita competed together in the 2020 Goddesses of Stardom Tag League as AphrOditE, which they would continue to use as their tag team name afterwards.[11] At Osaka Dream Cinderella 2020 on December 20, Kamitani unsuccessfully challenged for the Future of Stardom Championship in a three-way match against Maika and Saya Iida.[12] On December 26, AphrOditE lost the Goddess of Stardom Championship to Oedo Tai (Bea Priestley and Konami), ending their reign at 153 days.[13]

At All Star Dream Cinderella on March 3, Kamitani received her first match for the World of Stardom Championship, in which she lost to Utami Hayashishita.[14] Kamitani won the 2021 Cinderella Tournament after defeating Maika in the finals.[15] At Yokohama Dream Cinderella 2021 in Summer on July 4, Kamitani unsuccessfully challenged Tam Nakano for the Wonder of Stardom Championship.[16] Kamitani competed in the Blue Stars block of the 2021 5Star Grand Prix which took place from July 31 to September 25. She scored a total of 11 points, which was not enough to advance to the finals.[17] At the 10th Anniversary Grand Finale Osaka Dream Cinderella on October 9, Kamitani, AZM, and Momo Watanabe unsuccessfully challenged MaiHimePoi for the Artist of Stardom Championship.[18] AphrOditE competed in the Red Goddess block of the 2021 Goddesses of Stardom Tag League, in which they scored seven points.[19] At Tokyo Super Wars on November 27, Kamitani became the number one contender for the Wonder of Stardom Championship by defeating Himeka and Natsupoi in a three-way match.[20] At Dream Queendom on December 29, Kamitani won the Wonder of Stardom Championship by defeating Tam Nakano.[21]

At Stardom Nagoya Supreme Fight on January 29, 2022, Kamitani successfully defended the Wonder of Stardom Championship against Mirai.[22] At Stardom Cinderella Journey on February 23, she defended the title successfully again against Natsupoi.[23] On the first night of the Stardom World Climax 2022 from March 26, she defended the title against Utami Hayashishita,[24] and on the second night from March 27, again versus Tam Nakano.[25] At Stardom Cinderella Tournament 2022, she only scored a draw against Maika in the second rounds of April 10.[26] At Stardom Golden Week Fight Tour on May 5, 2022, she defended the Wonder of Stardom Championship successfully against Maika.[27] At Stardom Flashing Champions on May 28, 2022, she defended it again against Mirai.[28] At Stardom Fight in the Top on June 26, 2022, Kamitani teamed up with AZM and Utami Hayashishita and competed one of Stardom's first steel cage matches, where they fell short to Stars (Mayu Iwatani, Koguma and Hazuki).[29] At Mid Summer Champions in Tokyo, the first event of the Stardom Mid Summer Champions series which took place on July 9, 2022, Kamitani defended the "white belt" once again against Starlight Kid.[30] At Mid Summer Champions in Nagoya, the last event from July 24, she defended the title against Saki.[31] At Stardom in Showcase vol.1 on July 23, 2022, Kamitani competed in a three-way casket match against Starlight Kid and Yuu who won the bout after unmasking from a "grim reaper costume".[32] At Stardom x Stardom: Nagoya Midsummer Encounter on August 21, 2022, she defeated Himeka to retain the Wonder of Stardom Championship. Kamitani was initially scheduled to defend against Kairi but the latter pulled out last minute due to COVID issues.[33] At the 2022 edition of the 5 Star Grand Prix which took place between July 30 and October 1, Kamitani competed in the "Blue Stars" block where she scored a total of 14 points.[34]

On April 23, 2023, at All Star Grand Queendom, Kamitani lost the Wonder of Stardom Championship to Mina Shirakawa, ending her reign at 480 days, with a record setting of 15-successful title defenses.[35] Kamitani competed in the 2023 5 Star Grand Prix, but withdrew from the tournament after she suffered a legitimate dislocated elbow during her first match of the tournament against Tam Nakano on July 23.[36]

Kamitani (left) with Momo Watanabe (right) after their victory at Wrestle Grand Slam in MetLife Dome on September 4, 2021.

Kamitani often competes in exhibition matches organized by NJPW in partnership with Stardom. On January 5, 2021, at the second night of New Japan Pro-Wrestling (NJPW)'s Wrestle Kingdom 15, she made her first NJPW appearance where she, alongside AZM and Utami Hayashishita, defeated Himeka, Maika and Natsupoi in a dark match.[37] At Wrestle Grand Slam in MetLife Dome, Kamitani competed in both nights, first on September 4, 2021, where she teamed up with Momo Watanabe to defeat Lady C and Maika,[38] and on September 5, where she teamed again with Watanabe, this time in a losing effort against Donna Del Mondo's Giulia and Syuri.[39]